The research on adopted children and intelligence has found that there is a significant similarity between them and
a. their biological parents.
b. their adoptive parents.
c. both sets of parents.
d. their adoptive siblings.
C
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Dr. V wanted to test her hypothesis that sugar improves memory, so she gave one group of participants candy sweetened with sugar and another group candy sweetened with NutraSweet. Then she compared the performance of the two groups on a test of recognition memory. Dr. V's research method is ____.?
a. ?dependent b. ?experimental c. ?descriptive d. ?naturalistic
Religious involvement is associated with a variety of positive developmental outcomes, including all of the following except _________
a. fewer internalizing problems b. greater life satisfaction c. lower sexual activity d. fewer externalizing problems
Crespi's research on the effect of the size of reward shows that:
a. large rewards lead to faster learning b. large rewards lead to slower learning c. the size of the reward influenced learning, but not performance d. the size of the reward influenced performance, but not actual learning
An absolute threshold involves
a. the most stimulation before an organism shuts down. b. the point beyond which response may not be objectively measured. c. the least amount of stimulation required for sensation. d. the least amount of response which may be observed.